116542431 has 12 divisors (see below), whose sum is σ = 168437880. Its totient is φ = 77649360.

The previous prime is 116542417. The next prime is 116542441. The reversal of 116542431 is 134245611.

It is a happy number.

116542431 is a `hidden beast` number, since 1 + 1 + 654 + 2 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 116542431 - 2⁵ = 116542399 is a prime.

It is a super-2 number, since 2×116542431² = 27164276446779522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116542395 and 116542404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116542441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20701 + ... + 25721.

It is an arithmetic number, because the mean of its divisors is an integer number (14036490).

Almost surely, 2^116542431 is an apocalyptic number.

116542431 is a deficient number, since it is larger than the sum of its proper divisors (51895449).

116542431 is a wasteful number, since it uses less digits than its factorization.

116542431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606 (or 7603 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 116542431 is about 10795.4819716398. The cubic root of 116542431 is about 488.4588968649.

The spelling of 116542431 in words is "one hundred sixteen million, five hundred forty-two thousand, four hundred thirty-one".